相似变换矩阵求法例题
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He didn't go to the theater with his partents ,he stayed at home改为同义句He stayed at home ___ ___ ___ to the theater
time __,they’ll come here to watch us__footballa.permitted,playing b.permitted,to play c .permitting ,play d.permitting,to play我认为是选A结果选C,谁能告诉我为啥第一空要选现在分词
They aren't here now; they have gone to the _______(doctor). 为什么用doctor's?
中国传统文化作文 最好是剪纸!
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一根长为L(足够长)两端封闭的玻璃管,内装A、B两个带电球,A、B的质量分别为m和3m,带电量分别为3q和q,当玻璃管如图35—13竖直放置时,球B正好位于管中央,如果把管颠倒过来,则球对管底的压
当ab两点电压是100V时,测得cd两端电压为20V当cd两端电压为100V时,测得ab两端电压为50V 求R1:R2:R3
水和火有影子吗?
火有有影子吗?
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How long has the film been__________(开始)..Have you heard from your e—friends__________(最近).
cat jack's the came house to the rat eat.连词成句
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When she came back ,she____up her umbrella as usual.A.stood B.rolled C.put D.gave
完成对话.A:What __________ your mother ___________ when you came back?B:She ________ __完成对话.A:What ____________ your mother_____________ when you came back?B:She ____________ ______________ the mealin the kitchen.A:_____________ your sist
The old man ____ for seven years.A.diedB.diesC.has diedD.has been dead.请大家帮我辨析一下为什么正确答案是D.C为什么不可以呢
the first seven years人物简介
can you tell me?what are you doing?合并为一句是 are you 还是 you are
who am what i am doing?where i go?who can tell me